/*
 *  Copyright 2012 yura.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.nlp.pos.rnc_corpus;

import org.opu.nlp.pos.rnc_corpus.beans.Corpus;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipInputStream;

/**
 *
 * @author yura
 */
public class ZipStreamCropusArchiveParser implements CropusArchiveParser {

    public static final int BUFFER = 4096;

    private CorpusXmlParser xmlParser;

    public ZipStreamCropusArchiveParser(CorpusXmlParser xmlParser) {
        this.xmlParser = xmlParser;
    }



    @Override
    public Corpus parseXml(InputStream stream) throws IOException {
        ZipInputStream zis = new ZipInputStream(stream);
        Corpus corpus = new Corpus();

        while (zis.getNextEntry() != null) {
            corpus.merge(xmlParser.parseXml(zis));
            zis.closeEntry();
        }

        zis.close();
        stream.close();

        return corpus;
    }

}
